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The Figure Shows a Normal N(400, 23) Distribution

Question 40

Multiple Choice

The figure shows a normal N(400, 23) distribution. Find the x value for the shaded area. The figure shows a normal N(400, 23) distribution. Find the x value for the shaded area. C.2 we get P(z < -1.645) = .05, so x = µ + zσ = 400 - 1.645(23) = 362.2, or from Excel =NORM.INV(0.05,400,23) = 362.2. A) 379.1 B) 362.2 C) 355.7 D) 347.6 C.2 we get P(z < -1.645) = .05, so x = µ + zσ = 400 - 1.645(23) = 362.2, or from Excel =NORM.INV(0.05,400,23) = 362.2.


A) 379.1
B) 362.2
C) 355.7
D) 347.6

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